49131263 has 8 divisors (see below), whose sum is σ = 50038800. Its totient is φ = 48230208.

The previous prime is 49131259. The next prime is 49131287. The reversal of 49131263 is 36213194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49131263 - 2² = 49131259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49131763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15248 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (6254850).

Almost surely, 2^49131263 is an apocalyptic number.

49131263 is a deficient number, since it is larger than the sum of its proper divisors (907537).

49131263 is a wasteful number, since it uses less digits than its factorization.

49131263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241.

The product of its digits is 3888, while the sum is 29.

The square root of 49131263 is about 7009.3696578223. The cubic root of 49131263 is about 366.2570357457.

It can be divided in two parts, 49131 and 263, that added together give a palindrome (49394).

The spelling of 49131263 in words is "forty-nine million, one hundred thirty-one thousand, two hundred sixty-three".